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IOWA MFG CO

Overview
  • Total Patents
    31
About

IOWA MFG CO has a total of 31 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets civil engineering, machines and thermal processes are CEDARAPIDS INC, ASTEC IND and IOWA MFG CO CEDAR RAPIDS.

Patent filings in countries

World map showing IOWA MFG COs patent filings in countries
# Country Total Patents
#1 United States 19
#2 Canada 11
#3 France 1

Patent filings per year

Chart showing IOWA MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schrimper Vernon L 7
#2 Fairchild Louis F 6
#3 Musil Joseph E 4
#4 Alford Peter B 3
#5 Lillig Floyd A 3
#6 Schlarmann Philip J 3
#7 Vonderheide Harry J 2
#8 Ferguson Edgar J 2
#9 Pollitz Harold C 2
#10 Brecht Robert R 2

Latest patents

Publication Filing date Title
US4482281A Portable asphalt storage silo
US4477031A Apparatus for ready conversion of crushing cavity configuration in a cone crusher
US4395129A Feed system for asphalt recycling drum mixers
US4422848A Heat shields for drum aggregate driers and asphaltic drum mixers
CA1159425A Apparatus for ready conversion of crushing cavity configuration in a cone crusher
US4318619A Method of and apparatus for asphaltic concrete hot mix recycling
CA1096680A Vibratory split roll
CA1106334A Impact crusher table construction
US4165184A Apparatus for asphaltic concrete hot mix recycling
US4089616A Vibratory split roll
US4109742A Steering and width controls for expandable tandem rollers
US3966130A Frame for cone crusher
US3938732A Adjustment means for roll crushers with gas hydraulic springs
US3868194A Expandable articulated tandem roller
US3829032A Hammer assemblies with reversible tips for hammermills
US3845906A Mechanical accumulators for roll crushers
US3696976A Linearized gate control system for multiple feeder and hopper arrangements
US3636832A Dual paver
US3581947A Linearized gate control system for multiple feeder and hopper arrangements
US3453939A Bituminous paver